Finding the Fourth Proportional to 472,450,432.20, 708,675,648.30 and 264,975,865.80
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Solution
The fourth proportional to 472,450,432.20, 708,675,648.30 and 264,975,865.80 is: 397,463,798.70
Step by Step Solution
- Step 1: Write the proportion equation
472,450,432.20 : 708,675,648.30 = 264,975,865.80 : x - Step 2: Convert to fraction form
472,450,432.20/708,675,648.30 = 264,975,865.80/x - Step 3: Cross multiply
472,450,432.20x = 708,675,648.30 × 264,975,865.80 - Step 4: Simplify right side
472,450,432.20x = 187,781,943,479,668,800 - Step 5: Solve for x
x = 187,781,943,479,668,800/472,450,432.20 - Step 6: Final answer
x = 397,463,798.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.